main
Ray Set visibility: public 3e92a5d 6d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "2pd1820as",
  "title": "2PD1820AS",
  "brief": "Nexperia Bipolar (BJT), SOT-323. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "transistors-thyristors",
    "2pd1820as",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "2PD1820AS",
    "manufacturer": "Nexperia",
    "package": "SOT-323",
    "pin_count": 3,
    "category": "Transistors/Thyristors",
    "subcategory": "Bipolar (BJT)",
    "datasheet": "https://assets.nexperia.com/documents/data-sheet/2PD1820AS.pdf",
    "parts": {
      "symbol": "2pd1820as.kicad_sym",
      "footprint": "2pd1820as.kicad_mod",
      "model_3d": "2pd1820as-hero.glb",
      "model_3d_plain": "2pd1820as-etched.glb",
      "model_3d_step": "2pd1820as-etched.step",
      "model_3d_step_plain": "2pd1820as.step",
      "lbr": "2pd1820as.lbr"
    },
    "distributor_links": {
      "lcsc": "C554104"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T10:16:26Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "B",
        "type": "input",
        "description": "Base of the NPN transistor; the datasheet gives a peak base current limit of IBM 200 mA (max) and emitter-base voltage VEBO 5 V (max)."
      },
      {
        "number": "2",
        "name": "E",
        "type": "passive",
        "description": "Emitter of the NPN transistor; the datasheet gives an emitter-base voltage limit of VEBO 5 V (max) and a collector current limit of IC 500 mA (max)."
      },
      {
        "number": "3",
        "name": "C",
        "type": "passive",
        "description": "Collector of the NPN transistor; the datasheet gives a collector-emitter voltage limit of VCEO 50 V (max), collector current IC 500 mA (max) and peak collector current ICM 1 A (max)."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Package matches the request: the ordering table (page 2) lists 2PD1820AS in the SOT323 (SC-70) packa; The datasheet lists only the function of each pin (B = base, E = emitter, C = collector). It gives n; Pin types are inferred from the function of each terminal (base as input, emitter and collector as p"
        ],
        "pages_sent": 7,
        "cost_usd": 0.038,
        "at": "2026-10-18T10:14:31"
      },
      "datasheet": {
        "url": "https://assets.nexperia.com/documents/data-sheet/2PD1820AS.pdf",
        "pages": 7,
        "sha256": "d728a1d0e5792fe8",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 3,
        "described": 3,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "2pd1820as.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.1,
          2,
          1.1
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "acbf75a28fe41aa90efb38cd2b78220968d6eb6ebae1625dfd532dbeb268fece",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "2pd1820as-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          2,
          1.1
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "c3a3fdc55a53af3d65c97bb9141d264ce39064b1eadb8588a38d8e2daa19cbb3",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Nexperia",
      "Package": "SOT-323",
      "Category": "Transistors/Thyristors",
      "Pins": "3"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "d728a1d0e5792fe81ed505ca6de5650085d08b181d0b4f4d0eee805c59342668",
      "rows": [
        {
          "name": "collector-base voltage",
          "symbol": "VCBO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 60,
          "conditions": "open emitter",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "collector-emitter voltage",
          "symbol": "VCEO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 50,
          "conditions": "open base",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "emitter-base voltage",
          "symbol": "VEBO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 5,
          "conditions": "open collector",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "collector current",
          "symbol": "IC",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 500,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "peak collector current",
          "symbol": "ICM",
          "kind": "absolute_maximum",
          "unit": "A",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "peak base current",
          "symbol": "IBM",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 200,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "total power dissipation",
          "symbol": "Ptot",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 200,
          "conditions": "Tamb ≤ 25 °C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "junction temperature",
          "symbol": "Tj",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "ambient temperature",
          "symbol": "Tamb",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "storage temperature",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "thermal resistance from junction to ambient",
          "symbol": "Rth(j-a)",
          "kind": "thermal",
          "unit": "K/W",
          "min": null,
          "typ": null,
          "max": 625,
          "conditions": "in free air",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "collector-base cut-off current",
          "symbol": "ICBO",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": null,
          "max": 10,
          "conditions": "VCB = 20 V; IE = 0 A; Tamb = 25 °C",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "collector-base cut-off current",
          "symbol": "ICBO",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 5,
          "conditions": "VCB = 20 V; IE = 0 A; Tj = 150 °C",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "emitter-base cut-off current",
          "symbol": "IEBO",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": null,
          "max": 10,
          "conditions": "VEB = 4 V; IC = 0 A; Tamb = 25 °C",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "DC current gain",
          "symbol": "hFE",
          "kind": "electrical",
          "unit": "",
          "min": 170,
          "typ": null,
          "max": 340,
          "conditions": "VCE = 10 V; IC = 150 mA; pulsed; tp ≤ 300 µs; δ ≤ 0.02; Tamb = 25 °C",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "DC current gain",
          "symbol": "hFE",
          "kind": "electrical",
          "unit": "",
          "min": 40,
          "typ": null,
          "max": null,
          "conditions": "VCE = 10 V; IC = 500 mA; pulsed; tp ≤ 300 µs; δ ≤ 0.02; Tamb = 25 °C",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "collector-emitter saturation voltage",
          "symbol": "VCEsat",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 600,
          "conditions": "IC = 300 mA; IB = 30 mA; pulsed; tp ≤ 300 µs; δ ≤ 0.02; Tamb = 25 °C",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "collector capacitance",
          "symbol": "Cc",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": null,
          "max": 15,
          "conditions": "VCB = 10 V; IE = 0 A; ie = 0 A; f = 1 MHz; Tamb = 25 °C",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "transition frequency",
          "symbol": "fT",
          "kind": "electrical",
          "unit": "MHz",
          "min": 150,
          "typ": null,
          "max": null,
          "conditions": "VCE = 10 V; IC = 50 mA; f = 100 MHz; pulsed; tp ≤ 300 µs; δ ≤ 0.02; Tamb = 25 °C",
          "source_page": 3,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "2pd1820as"
  ],
  "discovery_pitch": "2PD1820AS (Nexperia) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
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    "path": "docs/hero.png"
  },
  "files": [
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    "2pd1820as.kicad_mod",
    "2pd1820as.glb",
    "2pd1820as.step",
    "2pd1820as.lbr",
    "docs/hero.png",
    "docs/2pd1820as-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
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    "2pd1820as-hero.overlay.json",
    "2pd1820as-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}